Check if pacman is available (#958)

* Check if pacman is available

* Update pacman call

* Added a graceful wait to `run_pacman`

* Fix flake8

Co-authored-by: Daniel Girtler <girtler.daniel@gmail.com>
Co-authored-by: Anton Hvornum <anton.feeds+github@gmail.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/archinstall/lib/packages/packages.py b/archinstall/lib/packages/packages.py
index 26d8ff68..b2c8ab8e 100644
--- a/archinstall/lib/packages/packages.py
+++ b/archinstall/lib/packages/packages.py
@@ -4,8 +4,8 @@ import urllib.request
 from typing import Dict, Any, Tuple, List
 
 from ..exceptions import PackageError, SysCallError
-from ..general import SysCommand
 from ..models.dataclasses import PackageSearch, PackageSearchResult, LocalPackage
+from ..pacman import run_pacman
 
 BASE_URL_PKG_SEARCH = 'https://archlinux.org/packages/search/json/?name={package}'
 # BASE_URL_PKG_CONTENT = 'https://archlinux.org/packages/search/json/'
@@ -98,7 +98,7 @@ def validate_package_list(packages :list) -> Tuple[list, list]:
 def installed_package(package :str) -> LocalPackage:
 	package_info = {}
 	try:
-		for line in SysCommand(f"pacman -Q --info {package}"):
+		for line in run_pacman(f"-Q --info {package}"):
 			if b':' in line:
 				key, value = line.decode().split(':', 1)
 				package_info[key.strip().lower().replace(' ', '_')] = value.strip()